Gets the error message that explains the reason for the exception.
A string containing the error message. This string includes the FileNotFoundException.FileName if a value for that property was supplied to the constructor for the current instance.
This property is read-only.
Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0